/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/RigVMController.h
Renames a variable in the graph. This causes a VariableRenamed modified event.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=RigVMController, Meta=(DeprecatedFunction)) bool RenameVariable ( const [FName](API\Runtime\Core\UObject\FName) & InOldName, const [FName](API\Runtime\Core\UObject\FName) & InNewName, bool bSetupUndoRedo )